Analysis of quasi-steady acceleration in circular Couette flow

Mohamed N. Noui-Mehidi, Jawaid Iqbal Inayat Hussain, Naoto Ohmura

Research output: Contribution to journalArticle

Abstract

The effect of inner cylinder acceleration in the transition from circular Couette flow to Taylor vortex regime was numerically investigated. The solution of the eigenvalue problem when the Couette flow was perturbed allowed the determination of the relationship between the inner cylinder acceleration rate and the acceleration time duration expressed in terms of viscous diffusion time. The analysis of the numerical results also allowed the concept of quasi-steady acceleration in the Couette system to be qualitatively described.

Original languageEnglish
Pages (from-to)1796-1800
Number of pages5
JournalCommunications in Nonlinear Science and Numerical Simulation
Volume13
Issue number9
DOIs
Publication statusPublished - 01 Nov 2008

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Couette Flow
Couette flow
Eigenvalue Problem
Vortex
Vortex flow
eigenvalues
vortices
Numerical Results

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering
  • Statistical and Nonlinear Physics

Cite this

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Analysis of quasi-steady acceleration in circular Couette flow. / Noui-Mehidi, Mohamed N.; Inayat Hussain, Jawaid Iqbal; Ohmura, Naoto.

In: Communications in Nonlinear Science and Numerical Simulation, Vol. 13, No. 9, 01.11.2008, p. 1796-1800.

Research output: Contribution to journalArticle

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N2 - The effect of inner cylinder acceleration in the transition from circular Couette flow to Taylor vortex regime was numerically investigated. The solution of the eigenvalue problem when the Couette flow was perturbed allowed the determination of the relationship between the inner cylinder acceleration rate and the acceleration time duration expressed in terms of viscous diffusion time. The analysis of the numerical results also allowed the concept of quasi-steady acceleration in the Couette system to be qualitatively described.

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